Analysis
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max time kernel
149s -
max time network
77s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
29/10/2022, 16:23
Static task
static1
Behavioral task
behavioral1
Sample
6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe
Resource
win7-20220901-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe
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Size
284KB
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MD5
83fe24d667fa5820b37f1c62d1d17d60
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SHA1
988785f1637d00d42e794623cb1219beb0b4d96c
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SHA256
6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e
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SHA512
fb5b0793aba27c8331ff0be626d0ba1fb31d688f652363add2cdbfa32577e5a132f038edfe48d58badf855e2d70428e96c6a17ecdc863600063eb2a942524e14
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SSDEEP
6144:tMYz3FRINO5WcBzjkBP18yAYU7vKd3EUXWidJhKnvmb7/D26XgZKIQ0OfsJy2DJM:tT3fINO5WcBzjkV183Kd3EUXWidJhKn8
Score
10/10
Malware Config
Signatures
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Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe Set value (int) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" leuce.exe -
Executes dropped EXE 1 IoCs
pid Process 2028 leuce.exe -
Loads dropped DLL 2 IoCs
pid Process 1348 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe 1348 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe -
Adds Run key to start application 2 TTPs 51 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /B" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /a" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /L" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /N" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /C" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /l" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /k" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /q" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /A" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /w" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /F" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /j" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /M" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /i" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /t" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /x" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /g" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /Z" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /r" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /v" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /e" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /T" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /m" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /G" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /d" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /H" leuce.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /U" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /y" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /W" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /K" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /z" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /c" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /R" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /A" 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /f" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /s" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /p" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /h" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /Q" leuce.exe Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\ 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /b" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /P" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /O" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /o" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /S" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /Y" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /X" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /I" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /u" leuce.exe Set value (str) \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\leuce = "C:\\Users\\Admin\\leuce.exe /D" leuce.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1348 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe 2028 leuce.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1348 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe 2028 leuce.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1348 wrote to memory of 2028 1348 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe 27 PID 1348 wrote to memory of 2028 1348 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe 27 PID 1348 wrote to memory of 2028 1348 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe 27 PID 1348 wrote to memory of 2028 1348 6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe 27
Processes
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C:\Users\Admin\AppData\Local\Temp\6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe"C:\Users\Admin\AppData\Local\Temp\6eb8b341d3d864583f9bd4629d5dbece7fec7954354187f91919d302bda0285e.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1348 -
C:\Users\Admin\leuce.exe"C:\Users\Admin\leuce.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:2028
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
284KB
MD52f33a0e52e01c0fe4e3b4586e5abf725
SHA12a91e8b9288e7f2387a8d28a6101b962e24f3850
SHA256426b0b5232da989d20313ef3b407a2a3fe39a79c0775cc6ee9c0c00815541de6
SHA512c307e0c332e56eeaf398446e4c05c4eda088374b483b36a5ba1db37214f4c2bac92a3b4e694197385c9d9ad6499c765fd13e0169e3ac486f75b596317c1a852f
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Filesize
284KB
MD52f33a0e52e01c0fe4e3b4586e5abf725
SHA12a91e8b9288e7f2387a8d28a6101b962e24f3850
SHA256426b0b5232da989d20313ef3b407a2a3fe39a79c0775cc6ee9c0c00815541de6
SHA512c307e0c332e56eeaf398446e4c05c4eda088374b483b36a5ba1db37214f4c2bac92a3b4e694197385c9d9ad6499c765fd13e0169e3ac486f75b596317c1a852f
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Filesize
284KB
MD52f33a0e52e01c0fe4e3b4586e5abf725
SHA12a91e8b9288e7f2387a8d28a6101b962e24f3850
SHA256426b0b5232da989d20313ef3b407a2a3fe39a79c0775cc6ee9c0c00815541de6
SHA512c307e0c332e56eeaf398446e4c05c4eda088374b483b36a5ba1db37214f4c2bac92a3b4e694197385c9d9ad6499c765fd13e0169e3ac486f75b596317c1a852f
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Filesize
284KB
MD52f33a0e52e01c0fe4e3b4586e5abf725
SHA12a91e8b9288e7f2387a8d28a6101b962e24f3850
SHA256426b0b5232da989d20313ef3b407a2a3fe39a79c0775cc6ee9c0c00815541de6
SHA512c307e0c332e56eeaf398446e4c05c4eda088374b483b36a5ba1db37214f4c2bac92a3b4e694197385c9d9ad6499c765fd13e0169e3ac486f75b596317c1a852f